#Question id: 1121
#SCPH28 | Zoology
Which of the following provides the best evidence that cell-signaling pathways evolved early in the history of life?
#Question id: 3473
#SCPH06 I Botany
Effective and biparental caring of offspring is more common in
#Question id: 432
#SCPH06 I Botany
The ultimate product of complete oxidation of carbohydrates is ________.
#Question id: 4565
#SCPH06 I Botany
Darwinʹs mechanism of natural selection required long time spans in order to modify species. From whom did Darwin get the concept of Earthʹs ancient age?
#Question id: 4745
#SCPH12 I Genetics
In some goats, the presence of horns is produced by an autosomal gene that is dominant in males and recessive in females. A horned female is crossed with a hornless male. The F1 offspring are intercrossed to produce the F2. What proportion of the F2 offspring will have horns?